AO Smith Water Heater ITS 1000 User Manual

ITS  
Dual coil indirect calorifier  
ITS - 300/400/500/600/750/1000  
Indirect water heater (calorifier) for a wide range of applications  
• Single-wall spiral heat exchanger • PermaGlas® Ultra Coat™  
second-generation glass coating technology prevents corrosion  
• ITS 300: Three adjustable legs facilitate easy installation  
• ITS 400-1000: Insulated ring base for easy installation  
• Insulated access cover for comprehensive waterside maintenance  
• Replaceable magnesium anode • Options: Flexible magnesium  
anode for installation in confined areas • Powered anode for  
reduced maintenance requirements • Temperature and pressure  
valve with stainless-steel spring set to 95 °C and a maximum water  
pressure of 7 bar • Analogue temperature gauge (0-120 °C)  
• Electric element heat packs (3 - 36 kW) • Unvented kits  
• Destratication pump kit  
Innovation has a name.  
ITS  
Technical specifications  
Technical data  
Output solar coil  
kW  
m2  
l
46  
1.45  
9.5  
1978  
44  
52  
1.64  
9.9  
2236  
78  
68  
2.13  
12.8  
2924  
166  
42  
1.31  
7.9  
1806  
43  
10  
16  
95  
110  
1.88  
1
72  
2.39  
20.3  
3096  
37  
80  
2.66  
22.6  
3440  
50  
87  
2.89  
24.6  
3741  
61  
Surface area solar coil  
Water capacity solar coil  
Flow rate solar coil (80-60°C)  
Pressure drop solar coil  
Output primary coil  
Surface area primary coil  
Water capacity primary coil  
Flow rate primary coil (80-60°C)  
Pressure drop primary coil  
Maximum working pressure tank  
Maximum working pressure coil  
Maximum operating temperature tank  
Maximum operating termperature coil  
Standby loss  
l/h  
mbar  
kW  
m2  
27  
37  
40  
56  
58  
0.85  
5.7  
1161  
12  
10  
16  
1.15  
6.9  
1591  
30  
10  
16  
1.33  
11.3  
1720  
7
10  
16  
1.86  
15.8  
2408  
18  
10  
16  
1.93  
16.4  
2494  
20  
10  
16  
l
l/h  
mbar  
bar  
bar  
°C  
95  
95  
95  
95  
95  
°C  
110  
1.32  
1
110  
1.60  
1
110  
1.85  
1
110  
2.03  
1
110  
2.19  
1
kWh/24h  
-
Anodes  
Maximum weight  
kg  
422  
527  
666  
887  
980  
1347  
Draw-off capacity*  
Storage capacity  
30 min. T=44°C  
60 min. T=44°C  
90 min. T=44°C  
120 min. T=44°C  
Continuous T=44°C  
Heating-up time T=44°C  
30 min. T=50°C  
60 min. T=50°C  
90 min. T=50°C  
120 min. T=50°C  
Continuous T=50°C  
Heating-up time T=50°C  
30 min. T=55°C  
60 min. T=55°C  
90 min. T=55°C  
120 min. T=55°C  
Continuous T=55°C  
Heating-up time T=55°C  
l
l
l
l
289  
957  
382  
1200  
2069  
2939  
3809  
1740  
13  
1056  
1821  
2586  
3352  
1531  
15  
470  
1480  
2555  
3630  
4705  
2150  
13  
1303  
2249  
3195  
4141  
1892  
15  
1184  
2044  
2904  
3764  
1720  
16  
641  
1684  
2779  
3873  
4968  
2189  
18  
1482  
2445  
3409  
4372  
1926  
20  
1347  
2223  
3099  
3974  
1751  
22  
718  
1979  
3309  
4638  
5967  
2658  
16  
1742  
2912  
4081  
5251  
2339  
18  
1584  
2647  
3710  
4773  
2127  
20  
1007  
2374  
3791  
5208  
6625  
2834  
21  
2089  
3336  
4583  
5830  
2494  
24  
1899  
3033  
4166  
5300  
2267  
27  
1671  
2384  
3098  
1427  
12  
l
l/h  
min.  
l
l
l
l
l/h  
min.  
l
l
l
l
842  
1470  
2098  
2726  
1256  
14  
766  
960  
1337  
1907  
2478  
1141  
15  
1655  
2351  
3047  
1392  
16  
l/h  
min.  
Shipping data  
Weight empty  
Weight incl. packaging  
Width packaging  
Height packaging  
Depth packaging  
kg  
kg  
mm  
mm  
mm  
133  
144  
780  
1510  
780  
145  
156  
780  
1850  
780  
196  
207  
780  
2150  
780  
246  
257  
870  
1930  
870  
262  
273  
870  
2150  
870  
340  
352  
1010  
2100  
1010  
* Draw-off capacity is based on both coils. This is not always possible.  
ITS  
Dimensions  
ITS 300  
A
D
G
H
J
K
M
N
O
P
1370 1705 2040 1835 2030 2000  
720 720 720 910 910 1060  
325 255 255 305 305 345  
765 771 915 907 967 947  
850 941 1085 1087 1147 1127  
1110 1277 1469 1387 1567 1487  
75  
70  
70  
85  
85  
95  
1310 1652 1990 1797 1992 1962  
115 115 115 180 180 180  
325 330 330 420 420 440  
595 500 500 660 660 710  
375 855 1000 1000 1065 1035  
1025 1360 1700 1485 1680 1600  
R
S
T
U
V
1115 -  
-
-
-
-
-
-
-
-
800  
-
1
2
3/4  
5/6  
7
Cold water  
Hot water  
Solar coil  
Primary coil  
Connection  
R1  
R1  
R1  
R1  
R2  
R2  
R1  
R1  
R2  
R2  
R1  
R1  
R21/2 R21/2 R21/2  
R21/2 R21/2 R21/2  
R11/4 R11/4 R11/4  
R11/4 R11/4 R11/4  
Rp3/4 Rp3/4 Rp3/4 Rp3/4 Rp3/4 Rp3/4  
8a+b+c Connection  
Rp3/4  
-
R1  
-
-
-
-
-
8
Anode connection  
Anode connection  
Rp11/4 Rp11/4 Rp11/4 Rp11/4 Rp11/4  
10  
-
-
-
-
-
Dimensions in mm. All ITS dual coil calorifiers receive a three  
years warranty on the tank and one year on parts.  
ITS 400-1000  
ITS  
Installation diagrams  
Vented  
1
3
4
5
6
9
Pressure reducing valve  
T&P valve  
Stop valve  
Non-return valve  
Circulation pump  
Drain valve  
11 Isolating valve  
12 Temperature gauge  
14 Hot water outlets  
15 Expansion relief valve  
16 Expansion vessel  
17 Three way valve  
18 Water tank  
19 Float valve  
A
B
C
F
Cold water  
Hot water  
Return circulation  
Primary flow  
G
E
Primary return  
Over flow pipe  
Expansion vent pipe  
H
A.O. Smith unvented system kits utilise combination valves.  
Further installation and connection details can be found  
in the Installation & Commissioning Manual.  
For the parts numbers of components please refer to the  
“Maintenance and accessories” chapter.  
Unvented  

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